* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  /*//  remove tap highlight color for mobile safari*/
}

*:before,
*:after {
  box-sizing: border-box;
}

/*// HTML & Body reset*/

html,
body {
  width: 100%;
  height: 100%;
}

body {
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}

/*// unify the setting of elements's margin and padding for browsers*/

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  margin: 0;
  padding: 0;
}

/*// Reset fonts for relevant elements*/

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

b{
  font-weight: normal;
}
/*// Remove the clear button of a text input control in IE10+*/

input::-ms-clear,
input::-ms-reveal {
  display: none;
}

a{
  color: $system-color;
  cursor: pointer;
}
a:active,
a:hover {
  outline: 0;
  text-decoration: underline;
}

a[disabled] {
  color: #ccc;
  cursor: not-allowed;
  pointer-events: none;
}

.clearfix {
  zoom: 1;
}

.clearfix:before,
.clearfix:after {
  content: " ";
  display: table;
}

.clearfix:after {
  clear: both;
  visibility: hidden;
  font-size: 0;
  height: 0;
}
.pointer {
  cursor: pointer;
}
.system-color {
  color: $system-color;
}
.orange {
  color: $orange;
}
.purple {
  color: $purple;
}
.green {
  color: $green;
}
.yellow {
  color: $yellow;
}
.pull-left {
  float: left;
}

.pull-right {
  float: right;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.hide {
  display: none !important;
}

.show {
  display: block !important;
}

.invisible {
  visibility: hidden;
}
.bold{
  font-weight: bold !important;
}